If 3.25 mol of Ar occupies 100. L at a particular temp and pressure, what volume does
14.15 mol of Ar occupy under same condition?
Answers
Answer:
435.38 L
Explanation:
From the question,
Applying ideal gas equation,
PV = nRT................... Equation 1
Where P = Pressure, V = Volume, n = number of moles, R = molar gas constant, T = Temperature.
Since Temperature and Pressure were constant,
V ∝ n
V/n = V'/n'.................... Equation 2
Where V and V' = the initial and final Volume of Ar respectively, n and n' = the initial and final moles of Ar respectively
make V' the subject of the equation
V' = Vn'/n............... Equation 3
Given: V = 100 L, n = 3.25 mol, n' = 14.15
Substitute into equation 3
V' = (100×14.14)/3.25
V' = 435.38 L
4.15 mole of Ar gas occupy the volume of 435.38 L under same condition.
What is ideal gas equation?
Ideal gas equation for any gas at standard condition is define as:
PV = nRT, where
P = Pressure,
V = Volume,
n = number of moles,
R = molar gas constant,
T = Temperature.
In the question it is given that pressure and temperature for the expansion is constant, so ideal gas equation becomes:
V/n = V'/n', where
V = initial volume of Ar = 100 L (given)
V' = final Volume of Ar = to find?
n = initial moles of Ar = 3.25 mole (given)
n' = final moles of Ar = 14.15 mole (given)
Now we calculate the final volume as:
V' = (100×14.14)/3.25 = 435.38 L
Hence, 435.38 L is the occupied volume.
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Related Questions
Solving for TIME: You need to get to class, 200 meters away, and you can only
walk in the hallways at about 2 m/s. (if you run any faster, you'll be caught for
running). How much time will it take to get to your class?
Answers
Answer:
1.66 mins
Explanation:
Distance = 200 m
Speed = 2 m/s
Time taken = \(\frac{Distance}{Speed} = \frac{200}{2} = 100\) secs = 1.66 mins
please help i’m struggling
Answers
Answer:
Micro, milli, deci, deca, mega
Explanation:
the suffix each denote the amount in comparison to a liter
Between the two elements Neon (Ne) and Silicon (Si) which is more stable explain your reasoning?
Answers
Answer:
Neon is a gas and silicon is a solid i solved this for my chemistry teacher dr Thomas project this week
Explanation:
gasses are naturally less stable then non metalloids
Condensed structural formulas of glycine and serine Condensed structural formulas of dipeptides Condensed structural formulas of the reactants and products for the hydrolysis of serylglycine Condensed structural formula for the tripeptide
Answers
Condensed structural formulas are written in a single line to save space and make them easier and faster to type out. They display the atoms' positions similarly to a structural formula.
What is the Condensed structural formula of glycine and serine ?The only amino acid that has one carbon atom is glycine. \($-\mathrm{COOH}$\) plus one \($-\mathrm{NH}_2$\) group that is connected to an alpha-carbon and contains two hydrogens. - \($\mathrm{COOH}$\) Serine is made up of an a-carbon, one hydrogen, and one \($-\mathrm{NH}_2$\) group as well as one \($-\mathrm{CH}_2 \mathrm{OH}$\)group.
Both glycylserine and serylglycine are dipeptide molecules made up of glycine and serine; however, glycylserine has an amide linkage formed when one H of the \($-\mathrm{NH}_2$\) group of glycine condenses with the - \($\mathrm{OH}$\) of the - \($\mathrm{COOH}$\) group of glycine Comparably, in serylglycine, one -OH of the - \($\mathrm{COOH}$\) group of serine condenses with one H of the \($-\mathrm{NH}_2$\) group of serine. Serine and glycine are the two byproducts of the hydrolysis of serylglycine. The rupture of the amide bond is seen by the red line. The glycine, serine, and alanine amino acids that make up this tripeptide structure are connected by amide bonds.
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HELP!!!!!! I will give you 15 points for this , please don’t guess
Answers
Answer:
Heterozygous refers to having inherited different forms of a particular gene from each parent.
Explanation:
Under which conditions of temperature and pressure would a sample of CO2(g) behave least like an ideal gas? C
1) 0°C and 100 kPa
2) 150°C and 100 kPa
3) 150°C and 300 kPa
4) 0°C and 300 kPa
Answers
The conditions of temperature and pressure in which a sample of CO₂ (g) would behave least like an ideal gas are high temperature and high pressure; 150°C and 300 kPa, option C
What are ideal gases?An ideal gas is any gas whose molecules obey the gas law and whose behavior follows the ideal gas behavior.
The behavior of ideal gases is as follows:
the intermolecular forces of attraction between the gases are negligiblethe collision of the molecules of the gas is perfectly elasticFor a given gas to behave as an ideal gas, it must be under conditions of extremely high temperatures and low pressure.
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Polymers are formed by linking monomers together through: _______-
Answers
Through a procedure known as polymerization, monomers are joined to produce polymers.
What is polymerization?the process of polymerization involves the joining of monomers, or small organic molecules, to create polymers, which are larger molecules that resemble long chains. Condensation and addition polymerization are the two primary forms of polymerization.
The method of addition polymerization involves joining together monomers with double or triple bonds to create polymers without losing any atoms. Plastics such as polyethylene and polypropylene are produced using this method of polymerization.
In the process of condensation polymerization, functional monomers like amines and carboxylic acids are linked together to form polymers by removing a tiny molecule like water. Polyamides, polyesters, and polyurethanes are produced using this form of polymerization.
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Which statement BEST describes the difference between groups and periods in the periodic table of elements?
A) Elements in periods have similar properties, while elements in groups have gradually changing properties
B) Elements in periods have gradually changing chemical properties, while elements in groups have similar properties.
C) Elements in periods are found in vertical columns, while elements in groups are found in horizontal rows.
D) Elements in periods are mostly metals, while elements in groups are mostly metalloids.
Answers
Although elements in grouping have similar properties, those in period have gradually shifting chemical properties.
Describe element.Any compound that cannot be broken down into simpler chemicals by regular chemical processes is referred to as a chemical element or element. The building blocks from which every matter is made are called elements. a molecule that cannot be chemically divided into simpler substances.
What are the four primary chemical elements?About 96% of a human body is made up of just just four substances: carbon (C), oxygenation (O), hydrogen (H), and nitrogen (N). There are 25 identified elements that are necessary for life. According to the required quantity, this graphic divides the important components into three major groupings.
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Answer:
It's B
Explanation:
Trust me, I have 50 million power
Predict the following products balance determine reaction
Answers
Double replacement
2)ZnCO3—>ZnO+CO2 (already balanced)
Decomposition
3)2Zn+2HCl—>2ZnCl+H2
Single replacement
How many moles of 02 should be supplied to burn 1 mol of C3H8(propane) molecules in a camping stove?
Answers
Answer:
This tells you that when 1 mole of propane undergoes combustion, 3 moles of carbon dioxide are produced. You can thus say that when 2.0 moles of propane react, you will get 2.0moles C3H8 ⋅ 3.moles CO2 1mole C3H8 = 6.0 moles CO2
Explanation:
Mechanical energy is the total amount of and energy in a system. science
Answers
Answer:
Hey do you know if "horsleyjaydyn" is a girl you commented once she was a guy so
Explanation:
What is the equivalence point volume, in milliliters, for titration of 40.3 mL of 0.15 M HCIO, with a sample of 0.35 M NaOH?
Answers
The equivalence point volume is 57.6 mL (rounded to three significant figures).
In an acid-base titration, the equivalence point is the point at which the moles of acid and base are equal, and all of the acid has been neutralized by the base.
The volume of base required to reach the equivalence point can be calculated using the following equation:
M acid x V acid = M base x V base
where M is the molarity and V is the volume.
In this problem, the acid is HCIO, and the base is NaOH. We are given the volume and molarity of the acid as 40.3 mL and 0.15 M, respectively. We are also given the molarity of the base as 0.35 M.
To find the equivalence point volume, we can plug these values into the equation above and solve for V base:
0.15 M x 40.3 mL = 0.35 M x V base
V base = (0.15 M x 40.3 mL) / 0.35 M
V base = 17.3 mL
This is the volume of base required to neutralize all of the acid. However, we need to add this to the initial volume of the acid to find the total volume at the equivalence point:
40.3 mL + 17.3 mL = 57.6 mL
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17-28. An EDTA solution was prepared by dissolving apporis imately 4 g of the disodium sals in approximately 1 of water. An average of 42.35 mL of this solution in required to titrate 50.00−mL aliquots of a standerc that contained 0.7682 g of MgCO 3
per liter. Titration of a 25.00-mL sample of mineral water at pH10 required 18.81 mL of the EDTA solution. A 50.00−mL aliquot of the mineral water was rendered strongly alkaline to precipitate the magnesium at Mg(OH) 2
. Titration with a calcium-specific indicator required 31.54 mL of the EDTA solution. Calculate (a) the molar concentration of the EDTA solution. (b) the concentration of CaCO 3
in the mineral water in ppm. (c) the concentration of MgCO 3
in the mineral water in ppm.
Answers
(a) Molar concentration of the EDTA solution: 0.0217 M. (b) Concentration of CaCO₃ in the mineral water: 1.55 ppm. (c) Concentration of MgCO₃ in the mineral water: 29.99 ppm
(a) Molar concentration of the EDTA solution
The molar concentration of the EDTA solution can be calculated by dividing the mass of MgCO₃ in the standard solution by the volume of EDTA solution used to titrate it. The molar mass of MgCO₃ is 84.31 g/mol.
Molarity of EDTA = (Mass of MgCO₃ in standard solution / Molar mass of MgCO₃) / Volume of EDTA solution used to titrate standard solution
= (0.7682 g / 84.31 g/mol) / 42.35 mL
= 0.0217 M
(b) Concentration of CaCO₃ in the mineral water in ppm
The concentration of CaCO₃ in the mineral water can be calculated by dividing the volume of EDTA solution used to titrate the 25.00-mL sample by the volume of the sample and multiplying by the molar concentration of the EDTA solution. The molar mass of CaCO₃ is 100.09 g/mol.
Concentration of CaCO₃ in mineral water (ppm) = (Volume of EDTA solution used to titrate 25.00-mL sample / Volume of 25.00-mL sample) * Molarity of EDTA solution
= (18.81 mL / 25.00 mL) * 0.0217 M
= 1.55 ppm
(c) Concentration of MgCO₃ in the mineral water in ppm
The concentration of MgCO₃ in the mineral water can be calculated by subtracting the concentration of CaCO₃ from the total concentration of carbonate in the mineral water. The total concentration of carbonate was determined by titrating a 50.00-mL aliquot of the mineral water with EDTA.
Concentration of MgCO₃ in mineral water (ppm) = Total concentration of carbonate in mineral water (ppm) - Concentration of CaCO₃ in mineral water (ppm)
= 31.54 ppm - 1.55 ppm
= 29.99 ppm
Therefore, the molar concentration of the EDTA solution is 0.0217 M, the concentration of CaCO₃ in the mineral water is 1.55 ppm, and the concentration of MgCO₃ in the mineral water is 29.99 ppm.
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Your mission is to generate a higher concentration of ethanol from ethanol 20%(v/v): What type of matter is ethanol 20% (v/v)? Remember you can click the View Theory button whenever you are in doubt.
a) Heterogeneous mixture
b) Homogenous mixture
c) Compound
d) Element
Answers
Ethanol 20% (v/v) is a homogenous mixture kind of material. Because they are soluble in one another, ethyl alcohol and water combine to create a homogenous combination. Later, they combine to produce a homogeneous solution.
What kind of substance is ethanol?Alcohol's chemical name is ethanol, with the molecular formula C2H5OH. It has a molar mass of 46.06844 g/mol and is produced through fermentation. Alcohol is a liquid chemical molecule called ethanol (C2H5OH), which is flammable and volatile.
Is 20% ethanol a substance?Alcohols are a class of chemical compounds that include substances like ethanol, CH3CH2OH, which has a hydroxyl group, or -OH, attached to a carbon atom. A chemical molecule called ethanol is combustible and colorless. It is present in alcoholic beverages.
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Determinar el volumen de 20 kg de benceno si su densidad es de 0,88g/cm3
Answers
Answer:
volume = mass/ densidad
0.88g/cm3 = 880kg/m3
v=20kg/880kg/m3
v=0.02272727272
o puede ser 0.0227
o tambien puede ser 0.023
Why would it be more difficult to inject the nucleus of uranium with a proton?
Answers
Answer:
Because there are already 92 protons in the
uranium nucleus, combining their repulsive power to reject the one new one. However, if the energy of the incoming proton is sufficiently great, then at extremely close distance, the uranium nucleus will attract the proton and draw it into the nucleus. This is called the strong force.
16 S 33
Explanation:
I hope it helped
Protons Ha and Hb in the compound given are _________. homotopic enantiotopic diastereotopic mesotopic none of these
Answers
Protons Ha and Hb in the compound given are enantiotopic.
What are enantiotopic protons?Enantiotopic protons can be defined as those protons that can be replaced by another groups like deuterium.
What is a compound?A compound is a substance which contains two or more elements chemically combined together.
So therefore, Protons Ha and Hb in the compound given are enantiotopic.
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How many molecules of water in the beaker?
Answers
Answer:
1 molecule will equal 3 atoms :)
Explanation:
1 mole of water contains 6.02*10^23 molecules.
Each molecule of water contains 2 hydrogen atoms and 1 oxygen atom.
In the beaker there are 6.02*10^24 molecules of water.
=10*(6.02*10^23 molecules of water)
= 10 moles of water molecules.
1 molecule = 3 atoms
.Which of the following are characteristics of a gas? It moves slowly. It has a fixed volume. It can be compressed. It has a fixed shape.
Answers
Answer:
It has a fixed volume it can also be compressed
Explanation:
1: A gases molecules don't move slow because they are not solid and are not compacted.
Answer:
It can be compressed
Explanation:
The Properties of Gases. Gases have three characteristic properties: (1) they are easy to compress, (2) they expand to fill their containers, and (3) they occupy far more space than the liquids or solids from which they form.
according to the course reading, what do smart materials do?
Answers
The main role of smart materials in course reading is to mimic biological behavior and "respond to stimuli". The class of solid materials which is used in course reading is usually composed of two or more of the other classes of materials to achieve a combination of properties.
There is an importance of smart materials in course reading because smart materials and systems are able to sense and respond to the environment around them. They have the potential which helps to improve existing technology and add new functionality to products. They have applications in a wide variety of areas and could have an very important role in waste reduction process.
Smart materials are mainly divided into 4 categories which involves Polymers, Ceramics, Metals and Smart Materials.
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2. Which sentence explains how air pollution is harmful? *
(1 Point)
"When acid rain falls into rivers and lakes, many organisms in these habitats cannot survive
"fossil fuels, including oil. coal, and natural gas are our main sources of energy"
O to protect our planet in the future, we must make responsible decisions today"
Qption
Answers
Answer:Air Pollution is when gas and fuel is released into the air and damages the environment. The Answer out of your answers would be C.
Explanation:
Balancing Chemical Reactions Worksheet A glow stick is a popular toy and safety device. To use a glow stick, you bend a small flexible plastic tube to break a small glass capsule inside, at which point the stick begins to glow. How do you think this works
Answers
Answer:
Concept of chemi-fluorescence
Explanation:
A glow stick usually consists of two chemicals in a larger plastic tube: , a base catalyst (mostly sodium salicylate), and a suitable dye (sensitizer, or fluorophor). This creates an exergonic reaction when mixed together.
When a glow stick is bent, the flurophor which is a chemical that easily re-emits light upon excitation in smaller capsules is released into the other substance, there by causing it to emit radiation/light in the uv-visible region. The brightness and longevity of the glow stick is determined by varying the concentration of these chemicals.
I hope this explanation clarifies things.
Aluminum wiring can be a fire hazard because it can oxidize, or combine with oxygen. How many grams of aluminum are needed to react with 3.00 moles of oxygen?
Answers
Aluminum wiring can be a fire hazard because it can oxidize, or combine with oxygen. Therefore, 4moles of aluminium react with 3 moles of oxygen.
What is aluminium?Aluminum (Al), also written aluminium, is a chemical element that is a light silvery white metal in Periodic Group 13 (IIIa, or the boron group). Aluminum is the most common nonferrous metal and the most prevalent metallic element in the Earth's crust.
Aluminum is never found in its metallic form in nature due to its chemical activity, but its compounds are found to varying degrees in practically all minerals, flora, and animals.
4Al + 3O\(_2\) \(\rightarrow\) 2Al\(_2\)O\(_3\)
mole of oxygen =3 moles
the mole ratio between aluminium and oxygen is 4:3.
moles of aluminium = 4moles
Therefore, 4moles of aluminium react with 3 moles of oxygen.
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A sample of sodium has a relative abundance of 75% with a mass number of 23, a relative abundance of 20% with a mass number of 22 and a relative abundance of 5% with a mass number of 24. What is the average atomic mass?
Answers
The average atomic mass of Sodium : 22.85
Further explanationThe elements in nature have several types of isotopes
Isotopes are atoms whose no-atom has the same number of protons while still having a different number of neutrons.
So Isotopes are elements that have the same Atomic Number (Proton)
Atomic mass is the average atomic mass of all its isotopes
Mass atom X = mass isotope 1 . % + mass isotope 2.% + ....
isotope 1 : 75%, mass number = 23
Isotope 2 : 20%, mass number = 22
Isotope 3 : 5%, mass number = 24
The average atomic mass :
\(\tt avg~atomic~mass=0.75\times 23+0.2\times 22+0.05\times 24\\\\avg~atomic~mass=17.25+4.4+1.2\\\\avg~atomic~mass=22.85\)
Assume we have 759 liters of N, at ST. What is the mass of the nitrogen gas? Give answers to the nearest whole number.
Answers
The mass of the nitrogen gas is approximately 949 grams.
What is the mass of the nitrogen gas?The mass of the nitrogen gas can be calculated using the ideal gas law, which states:
PV = nRT
Where P is the pressure, V is the volume, n is the number of moles of gas, R is the gas constant, and T is the temperature in Kelvin. R is the ideal gas constant ( 0.08206 Latm/molK )
Given thw volume of the Nitrogen gas to be 759l, at ST, temperature equals 273.15 K and pressure 1 atm.
we can rearrange the ideal gas law to solve for n:
PV = nRT
n = PV / RT
Plug in the values
n = ( 1 atm × 759 L ) / ( 0.08206 Latm/molK × 273.15 K )
n = 33.86 mol
Finally, we can calculate the mass of the nitrogen gas using the molar mass of nitrogen:
m = n × M
Where M = 28.02 g/mol is the molar mass of nitrogen.
m = 33.86 mol × 28.02 g/mol
m = 949 g
Therefore, the mass is 949 g.
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Use the balanced equation below to answer the question.
Mg(s) + 2AgNO3(aq) -> 2Ag(s) + Mg(NO3)2(aq)
How many moles of Mg(NO3)2 will be produced, if 5.0 moles of Ag are produced?
Round the answer to 1 digit after the decimal.
Answers
Answer:
3 mole
Explanation:
2 moles of Ag give 1 mole of Mg(NO3)2
5 moles of Ag will give 5×1÷2 of Mg(NO3)2
=2•5 =3
what is diffusion and what is osmosis ?
Answers
Answer:
diffusion is the movement of gases from a higher concentration area to a lower concentration area
osmosis is the movement of water molecules from a higher concentration area to a lower concentration area
The movement of water molecules through a selectively permeable membrane from a region of high water concentration to low water concentration is called osmosis
A 75.0-ml sample of 0.0500 m hcn it titrated with 0.370 m naoh. what is the approximate ph of the solution after 3.0 ml of 0.370 m naoh has been added?
Answers
The approximate pH of the solution after 3.0 mL of 0.370 M NaOH has been added is approximately 8.91.
To find the approximate pH of the solution after 3.0 mL of 0.370 M NaOH has been added, we need to consider the reaction between HCN (a weak acid) and NaOH (a strong base).
First, calculate the moles of HCN present in the initial 75.0 mL sample:
Moles of HCN = (0.0500 M) x (0.0750 L)
= 0.00375 moles
Next, calculate the moles of NaOH added:
Moles of NaOH = (0.370 M) x (0.0030 L)
= 0.00111 moles
Since HCN and NaOH react in a 1:1 ratio, the remaining moles of HCN can be calculated by subtracting the moles of NaOH from the initial moles of HCN:
Remaining moles of HCN = 0.00375 moles - 0.00111 moles
= 0.00264 moles
Finally, calculate the new concentration of HCN in the solution:
New concentration of HCN = (0.00264 moles) / (0.0780 L)
= 0.0338 M
To find the approximate pH, we can use the Henderson-Hasselbalch equation:
pH = pKa + log([A-]/[HA])
Since HCN is a weak acid, we need to find the pKa value. The pKa of HCN is approximately 9.21.
Plugging in the values, we have:
pH = 9.21 + log([CN-]/[HCN])
Since NaOH reacts with HCN to form CN-, and the reaction is 1:1, the concentration of CN- is equal to the concentration of NaOH added, which is (0.00111 moles) / (0.0780 L) = 0.0142 M.
Plugging in the values, we have:
pH = 9.21 + log(0.0142/0.0338)
= 8.91 (approximately)
Therefore, the approximate pH of the solution after 3.0 mL of 0.370 M NaOH has been added is approximately 8.91.
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What is the approximate total mass of the reactants, and how should it compare with the total mass of the products? Multiple choice question. a. 62 g, which should be less than the total mass of the products b. 62 g, which should equal the total mass of the products c. 372 g, which should be less than the total mass of the products d. 372 g, which should equal the total mass of the products
Answers
Answer:
b. 62 g, which should equal the total mass of the products
Explanation:
According to the law of conservation of mass, which states that mass of a substance can neither be created nor destroyed, hence, the mass of the reactants of a reaction must be equal to the mass of the products in that reaction.
As stated in this question, if the total mass of reactants is 62g, then, in accordance to the law of conservation of mass, the total mass of products should also be equal to 62g.
Practice Run Just need a bit of help! Good amount of points!
According to LeChatelier's principle, what are 3 general ways that you can reverse a reaction when it is at equilibrium. Select all that apply.
Adding concentration of product
Adding concentration of product
Adding concentration of reactant
Adding concentration of reactant
Keeping the concentration the same
Keeping the concentration the same
Changing temperature
Changing temperature
Changing the state of matter
Changing the state of matter
Changing the color
Changing the color
Changing Pressure
Answers
The 3 general ways by which a system in equilibrium can be reversed are by changing the concentration of the reactants of products, changing the pressure of the system, and changing the temperature of the system.
Le Chatelier's principleLe Chatelier's principle state that when a reaction is in equilibrium and one of the constraints that affect the rate of reactions is applied to the system, the equilibrium shifts so as to cancel out the effects of the constraints.
The constraints being referred to by Le Chatelier are concentration, pressure, and temperature. Increasing or decreasing the pressure of a system in equilibrium will shift the equilibrium to the sides with the lower moles or higher moles respectively.
Increasing the concentration of the reactants will shift the equilibrium toward the product side while increasing the concentration of the products will shift the equilibrium toward the reactant side.
In the same vein, increasing the temperature of a system will sift the equilibrium towards the product if the system itself is endothermic. If the system is exothermic, a reversal will occur.
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